Amtrak canceled all its service along the Northeast Corridor on Monday and Tuesday, including the Acela Express and Northeast Regional trains out of Boston, due to high winds and heavy rains from Hurricane Sandy. Passengers will be issued refunds or vouchers for future travel.

Tickets booked online can be modified or canceled on Amtrak.com. Updated information about Northeast Corridor delays can be found on Twitter @AmtrakNEC.

All bus service headed west out of South Station was canceled Monday morning, although several lines were offering service north and to the Cape through the afternoon. Peter Pan Bus Lines, Greyhound, and Boltbus canceled all service through Tuesday; Megabus canceled its Boston trips through noon on Tuesday, as well as a few Tuesday afternoon trips between Boston and New York. Refunds or credits will be issued, and passengers can reschedule trips for no additional fee.

Skies were emptier as well. Nationwide, more than 10,000 flights have been canceled between Saturday and Tuesday, according to FlightStats.com. In Boston, more than 900 flights have been canceled in and out of Logan International Airport today, according to FlightStats.com -- more than 92 percent of all regularly scheduled travel. A few international flights were still on track to depart today, including an afternoon Japan Airlines flight to Tokyo and an evening Virgin Atlantic flight to London, which is expected to be delayed until around 11 p.m.

Few passengers are stranded, airport officials say, because people generally begin or end their trips in Boston, but don’t connect here.

Airport officials expect the airlines to start rebuilding their schedules Tuesday and hope travel will return to normal on Wednesday. Airlines are waiving change fees and fare differences for travelers who have to adjust or cancel their flights due to the storm.

In the Port of Boston, three cruise ships carrying several thousand passengers are sitting out Hurricane Sandy.

Royal Caribbean’s Jewel of the Seas, which can hold 2,500 people and was due to leave Sunday for the Caribbean, will remain docked until Tuesday.

The Caribbean Princess, part of Princess Cruises, was not scheduled to stop in Boston but diverted here Sunday night with 2,500 passengers after the cruise line canceled its stop in Bermuda to avoid strong winds and high swells. The ship’s departure date has not been determined.

Passengers can get off the ship in Boston, according to a Princess Cruises spokeswoman, but because local tour operators have canceled their outings, there are no scheduled trips off the ship.

Crystal Cruises’ Crystal Symphony arrived in Boston Sunday with more than 900 passengers for what was supposed to be a daylong port-of-call visit but now will docked here until Tuesday morning.

The Massachusetts Port Authority has supplied the ships with fresh water, and several tug boats have been positioned at the dock to help hold the cruise ships in place during the storm.

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